Based on this product's specifications, here are some alternatives and similar models
Protective EVA Carry Case PLATINET for GoPro – lightweight, waterproof, model 42997
Summary description:
PLATINET protective EVA carry case for GoPro (model 42997) is a lightweight, waterproof storage solution for action cameras and small accessories. Constructed from rigid EVA material, it shields equipment from impacts and moisture. The compact case is suitable for travel, outdoor sports and everyday transport, keeping camera, mounts and memory cards organized and protected.